Home / 19,962,647.40-29,943,971.10-19,402,775.40

Finding the Fourth Proportional to 19,962,647.40, 29,943,971.10 and 19,402,775.40

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Solution

The fourth proportional to 19,962,647.40, 29,943,971.10 and 19,402,775.40 is: 29,104,163.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,962,647.40 : 29,943,971.10 = 19,402,775.40 : x
  2. Step 2: Convert to fraction form
    19,962,647.40/29,943,971.10 = 19,402,775.40/x
  3. Step 3: Cross multiply
    19,962,647.40x = 29,943,971.10 × 19,402,775.40
  4. Step 4: Simplify right side
    19,962,647.40x = 580,996,145,837,390.88
  5. Step 5: Solve for x
    x = 580,996,145,837,390.88/19,962,647.40
  6. Step 6: Final answer
    x = 29,104,163.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.